Add 20/36 and 16/84
20/36 + 16/84 is 47/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
20/36 = 20 × 7/36 × 7 = 140/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
16/84 = 16 × 3/84 × 3 = 48/252 - Add the two like fractions:
140/252 + 48/252 = 140 + 48/252 = 188/252 - 188/252 simplified gives 47/63
- So, 20/36 + 16/84 = 47/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/36+16/84 20/36+32/84 20/72+16/84 60/36+16/84 20/36+48/84 20/36+80/84